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Re: perspectives on OWL v.next and RDF

From: Bijan Parsia <bparsia@cs.man.ac.uk>
Date: Sun, 19 Nov 2006 09:39:18 +0000
Message-Id: <9782421D-B150-4122-9A10-35ADD87E17DE@cs.man.ac.uk>
Cc: Jim Hendler <hendler@cs.umd.edu>, Kendall Clark <kendall@monkeyfist.com>, public-owl-dev@w3.org
To: Bijan Parsia <bparsia@isr.umd.edu>

On Nov 18, 2006, at 1:40 AM, Bijan Parsia wrote:

> Sure. And there are large TBoxes from life sciences (for which the  
> EL++ fragment was developed...but EL++ includes qualified number  
> restrictions...so we sort of have to add them to the whole).
> Of course, none of us, at all, have done a formal market survey, so  
> we're all giving impressions. Impressions are better at determining  
> positives rather than negatives. We all hear, "rational subsets!"  
> but perhaps you didn't hear, "Qualified number restrictions" (and,  
> in EL++, they unite).

SIgh. Ian points out to me that I got confused. EL++ does not include  
QCRs, but it does include a form of complex role inclusions (which  
was a motivation for adding them to OWL 1.1).

Mes apologies.

Received on Sunday, 19 November 2006 09:39:39 UTC

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